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FlexLexer.h
6.73
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2019-10-12 12:33
a.out.h
4.25
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2025-04-14 07:23
aio.h
7.28
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2025-04-14 07:24
aliases.h
1.98
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alloca.h
1.17
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ar.h
1.69
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argp.h
24.82
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argz.h
5.91
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2025-04-14 07:23
assert.h
4.45
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2025-04-14 07:23
autosprintf.h
2.33
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2019-11-18 17:16
byteswap.h
1.37
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2025-04-14 07:23
bzlib.h
6.1
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2010-09-10 23:08
com_err.h
2.07
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2020-03-21 04:24
complex.h
7
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2025-04-14 07:23
cpio.h
2.21
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cpuidle.h
844
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crypt.h
8.9
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2021-10-09 04:04
ctype.h
10.71
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2025-04-14 07:23
curses.h
97.29
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2023-10-14 18:54
cursesapp.h
6.62
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cursesf.h
27.2
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cursesm.h
19.22
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cursesp.h
8.4
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cursesw.h
48.55
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cursslk.h
7.13
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db.h
120.22
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db_185.h
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dbm.h
1.38
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dirent.h
12.19
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2025-04-14 07:23
dlfcn.h
7.07
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elf.h
170.73
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endian.h
3.11
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entities.h
4.81
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2017-08-30 11:05
envz.h
2.8
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err.h
2.16
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errno.h
1.64
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error.h
1.99
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eti.h
2.82
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2023-10-14 18:54
etip.h
9.47
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evdns.h
1.97
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2019-10-12 00:29
event.h
2.68
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2019-10-12 00:29
evhttp.h
1.99
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2019-10-12 00:29
evrpc.h
1.97
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2019-10-12 00:29
evutil.h
1.74
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2019-10-12 00:29
execinfo.h
1.49
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2025-04-14 07:24
expat.h
42.66
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2025-04-15 19:58
expat_config.h
3.43
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2025-04-15 19:58
expat_external.h
5.4
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2025-04-15 19:58
fcntl.h
10.7
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features.h
15.69
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fenv.h
5.72
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fmtmsg.h
3.16
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fnmatch.h
2.24
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form.h
18.17
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2023-10-14 18:54
fpu_control.h
3.5
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2025-04-14 07:23
fstab.h
3.04
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2025-04-14 07:23
fstrm.h
12.71
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2019-03-11 20:58
fts.h
8.18
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2025-04-14 07:23
ftw.h
5.13
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2025-04-14 07:23
gconv.h
4.31
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2025-04-14 07:23
gcrypt.h
68.71
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2022-06-28 11:54
gd.h
56.42
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2017-08-30 11:05
gd_color_map.h
478
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gd_errors.h
1.47
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gd_io.h
3.05
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gdbm.h
10.1
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2022-10-08 13:22
gdcache.h
2.83
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2017-08-30 11:05
gdfontg.h
553
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gdfontl.h
551
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gdfontmb.h
519
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gdfonts.h
515
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gdfontt.h
546
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gdfx.h
497
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2017-08-30 11:05
gdpp.h
50.94
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2017-08-30 11:05
getopt.h
1.43
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2025-04-14 07:23
gettext-po.h
15.17
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2019-11-18 17:17
glob.h
6.46
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2025-04-14 07:23
gnu-versions.h
2.29
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2025-04-14 07:23
gnumake.h
2.84
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2022-04-18 16:38
gpg-error.h
66.29
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2019-10-12 12:20
gpgrt.h
66.29
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2019-10-12 12:20
grp.h
6.53
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2025-04-14 07:23
gshadow.h
4.42
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2025-04-14 07:23
gssapi.h
181
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2025-03-13 12:14
iconv.h
1.81
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idn-free.h
2.41
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2019-10-13 16:55
idn-int.h
20
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2019-10-13 16:55
idna.h
3.48
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2019-10-13 16:55
ieee754.h
4.79
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2025-04-14 07:23
ifaddrs.h
2.77
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2025-04-14 07:24
inttypes.h
11.61
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2025-04-14 07:23
jconfig-64.h
2.17
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2021-10-09 01:29
jconfig.h
246
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2021-10-09 01:29
jerror.h
14.73
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2021-10-09 01:29
jmorecfg.h
14.7
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2021-10-09 01:29
jpegint.h
15.22
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2021-10-09 01:29
jpeglib.h
48.71
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2021-10-09 01:29
kdb.h
67.66
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2025-03-13 12:14
keyutils.h
7.52
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2021-10-08 13:50
krad.h
8.72
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2025-03-13 12:14
krb5.h
402
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2025-03-13 12:14
langinfo.h
17.43
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2025-04-14 07:23
lastlog.h
126
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lber.h
14.95
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2025-03-11 09:44
lber_types.h
1.43
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2025-03-11 09:44
ldap.h
63.57
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2025-03-11 09:44
ldap_cdefs.h
9.24
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2025-03-11 09:44
ldap_features.h
1.77
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2025-03-11 09:44
ldap_schema.h
9.23
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2025-03-11 09:44
ldap_utf8.h
3.39
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2025-03-11 09:44
ldif.h
4.58
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2025-03-11 09:44
libaio.h
8.73
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2019-11-13 13:59
libgen.h
1.35
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2025-04-14 07:23
libintl.h
4.47
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2025-04-14 07:23
limits.h
5.29
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2025-04-14 07:23
link.h
7.05
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2025-04-14 07:24
locale.h
7.49
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2025-04-14 07:23
ltdl.h
5.58
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2019-10-11 14:55
lzma.h
9.59
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2018-04-29 15:10
magic.h
5.46
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2024-04-06 14:44
malloc.h
5.96
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2025-04-14 07:23
math.h
52.07
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2025-04-14 07:23
mcheck.h
2.38
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2025-04-14 07:23
memory.h
955
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2025-04-14 07:23
menu.h
11.91
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2023-10-14 18:54
mntent.h
3.28
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2025-04-14 07:23
monetary.h
1.76
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2025-04-14 07:23
mqueue.h
3.67
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2025-04-14 07:24
nc_tparm.h
4.1
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2023-10-14 18:54
ncurses.h
97.29
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2023-10-14 18:54
ncurses_dll.h
4.18
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2023-10-14 18:54
ndbm.h
2.4
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2022-10-08 13:22
netdb.h
27.44
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2025-04-14 07:24
nl_types.h
1.71
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2025-04-14 07:23
nss.h
1.83
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2025-04-14 07:24
obstack.h
20.81
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2025-04-14 07:23
panel.h
4.03
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2023-10-14 18:54
paths.h
2.91
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2025-04-14 07:23
pcre.h
30.97
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2021-10-08 19:17
pcre2.h
43.75
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2022-08-02 16:07
pcre2posix.h
5.67
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2022-08-02 16:07
pcre_scanner.h
6.45
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2021-10-08 19:17
pcre_stringpiece.h
6.16
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2021-10-08 19:17
pcrecpp.h
25.91
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2021-10-08 19:17
pcrecpparg.h
6.62
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2021-10-08 19:17
pcreposix.h
5.32
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2021-10-08 19:17
png.h
140.77
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2019-10-12 00:44
pngconf.h
22.31
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2019-10-12 00:44
pnglibconf.h
7.39
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2019-10-12 00:44
poll.h
22
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2025-04-14 07:23
pr29.h
2.07
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2019-10-13 16:55
printf.h
6.64
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2025-04-14 07:23
proc_service.h
3.39
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2025-04-14 07:24
profile.h
11.87
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2025-03-13 12:14
pthread.h
40.3
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2025-04-14 07:23
pty.h
1.53
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2025-04-14 07:24
punycode.h
9.16
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2019-10-13 16:55
pwd.h
6.01
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2025-04-14 07:23
re_comp.h
962
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2025-04-14 07:23
regex.h
24.14
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2025-04-14 07:23
regexp.h
1.41
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2025-04-14 07:23
resolv.h
11.79
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2025-04-14 07:24
sched.h
4.62
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search.h
5.1
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semaphore.h
2.34
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// Copyright (c) 2005, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Author: Sanjay Ghemawat // // Regular-expression based scanner for parsing an input stream. // // Example 1: parse a sequence of "var = number" entries from input: // // Scanner scanner(input); // string var; // int number; // scanner.SetSkipExpression("\\s+"); // Skip any white space we encounter // while (scanner.Consume("(\\w+) = (\\d+)", &var, &number)) { // ...; // } #ifndef _PCRE_SCANNER_H #define _PCRE_SCANNER_H #include <assert.h> #include <string> #include <vector> #include <pcrecpp.h> #include <pcre_stringpiece.h> namespace pcrecpp { class PCRECPP_EXP_DEFN Scanner { public: Scanner(); explicit Scanner(const std::string& input); ~Scanner(); // Return current line number. The returned line-number is // one-based. I.e. it returns 1 + the number of consumed newlines. // // Note: this method may be slow. It may take time proportional to // the size of the input. int LineNumber() const; // Return the byte-offset that the scanner is looking in the // input data; int Offset() const; // Return true iff the start of the remaining input matches "re" bool LookingAt(const RE& re) const; // Return true iff all of the following are true // a. the start of the remaining input matches "re", // b. if any arguments are supplied, matched sub-patterns can be // parsed and stored into the arguments. // If it returns true, it skips over the matched input and any // following input that matches the "skip" regular expression. bool Consume(const RE& re, const Arg& arg0 = RE::no_arg, const Arg& arg1 = RE::no_arg, const Arg& arg2 = RE::no_arg // TODO: Allow more arguments? ); // Set the "skip" regular expression. If after consuming some data, // a prefix of the input matches this RE, it is automatically // skipped. For example, a programming language scanner would use // a skip RE that matches white space and comments. // // scanner.SetSkipExpression("\\s+|//.*|/[*](.|\n)*?[*]/"); // // Skipping repeats as long as it succeeds. We used to let people do // this by writing "(...)*" in the regular expression, but that added // up to lots of recursive calls within the pcre library, so now we // control repetition explicitly via the function call API. // // You can pass NULL for "re" if you do not want any data to be skipped. void Skip(const char* re); // DEPRECATED; does *not* repeat void SetSkipExpression(const char* re); // Temporarily pause "skip"ing. This // Skip("Foo"); code ; DisableSkip(); code; EnableSkip() // is similar to // Skip("Foo"); code ; Skip(NULL); code ; Skip("Foo"); // but avoids creating/deleting new RE objects. void DisableSkip(); // Reenable previously paused skipping. Any prefix of the input // that matches the skip pattern is immediately dropped. void EnableSkip(); /***** Special wrappers around SetSkip() for some common idioms *****/ // Arranges to skip whitespace, C comments, C++ comments. // The overall RE is a disjunction of the following REs: // \\s whitespace // //.*\n C++ comment // /[*](.|\n)*?[*]/ C comment (x*? means minimal repetitions of x) // We get repetition via the semantics of SetSkipExpression, not by using * void SkipCXXComments() { SetSkipExpression("\\s|//.*\n|/[*](?:\n|.)*?[*]/"); } void set_save_comments(bool comments) { save_comments_ = comments; } bool save_comments() { return save_comments_; } // Append to vector ranges the comments found in the // byte range [start,end] (inclusive) of the input data. // Only comments that were extracted entirely within that // range are returned: no range splitting of atomically-extracted // comments is performed. void GetComments(int start, int end, std::vector<StringPiece> *ranges); // Append to vector ranges the comments added // since the last time this was called. This // functionality is provided for efficiency when // interleaving scanning with parsing. void GetNextComments(std::vector<StringPiece> *ranges); private: std::string data_; // All the input data StringPiece input_; // Unprocessed input RE* skip_; // If non-NULL, RE for skipping input bool should_skip_; // If true, use skip_ bool skip_repeat_; // If true, repeat skip_ as long as it works bool save_comments_; // If true, aggregate the skip expression // the skipped comments // TODO: later consider requiring that the StringPieces be added // in order by their start position std::vector<StringPiece> *comments_; // the offset into comments_ that has been returned by GetNextComments int comments_offset_; // helper function to consume *skip_ and honour // save_comments_ void ConsumeSkip(); }; } // namespace pcrecpp #endif /* _PCRE_SCANNER_H */